Running the metastat command

For additional disk status information when using Disk Mirroring, you can run the metastat command.

To run the metastat command:

1. If you are not logged in, log in as root.
2. At the command prompt, enter metastat

   The system displays detailed information for each metadevice (virtual device) similar to the following sample output:

   d1: Mirror
Submirror 0: d11
State: Okay
Submirror 1: d12
State: Okay
Pass: 2
Read option: roundrobin (default)
Write option: parallel (default)
Size: 4202688 blocks

   d11: Submirror of d1
State: Okay
Size: 4202688 blocks
Stripe 0:
Device Start Block Dbase State Hot Spare
c1t0d0s1 0 No Okay

   d12: Submirror of d1
State: Okay
Size: 4202688 blocks
Stripe 0:
Device Start Block Dbase State Hot Spare
c1t1d0s1 0 No Okay

   In this sample, d1 is the metadevice that contains the submirrors d11 and d12. Submirror d11 is actually c1t0d0s1 (slice 1 on disk 0) and d12 is c1t1d0s1 (slice 1 on disk 1). In this sample, the status of all three devices is "Okay." If there are errors you will see it in the output for the affected device.

   For more information about this command and the possible errors, see the documentation for the DiskSuite tools for your system (http://docs.sun.com/db/doc/).

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